21137874

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3259}}^1$

素因数の和:3334

約数の個数: 32

約数和(自身を含む): 45066240

約数和(自身を除く): 23928366

約数列:

[1, 2, 3, 6, 23, 46, 47, 69, 94, 138, 141, 282, 1081, 2162, 3243, 3259, 6486, 6518, 9777, 19554, 74957, 149914, 153173, 224871, 306346, 449742, 459519, 919038, 3522979, 7045958, 10568937, 21137874]

約数ペア:

[(1, 21137874), (2, 10568937), (3, 7045958), (6, 3522979), (23, 919038), (46, 459519), (47, 449742), (69, 306346), (94, 224871), (138, 153173), (141, 149914), (282, 74957), (1081, 19554), (2162, 9777), (3243, 6518), (3259, 6486)]